Optimize the performance queries with a single distinct aggregate#1315

Merged

Dandandan merged 4 commits intoapache:masterfrom ic4y:single_distinct

Nov 19, 2021

+328-3

Commits on Nov 16, 2021

add single_distinct_to_group_by optimizer rule
liuli
committed

Commits on Nov 17, 2021

Commits on Nov 18, 2021

Fix a test method and support multiple aggregateFunction
liuli
committed